task/deploySAvaxPricer Adding sAvax pricer deploy script

contracts/pricers/SAvaxPricer.sol

@@ -17,7 +17,7 @@ import {SafeMath} from "../packages/oz/SafeMath.sol";
 
 /**
  * @title SAvaxPricer
- * @author Opyn Team
+ * @author Ben Burns ([email protected])
  * @notice A Pricer contract for a sAVAX token
  */
 contract SAvaxPricer is OpynPricerInterface {
@@ -80,7 +80,7 @@ contract SAvaxPricer is OpynPricerInterface {
      * @return price of 1 sAVAX in USD, scaled by 1e8
      */
     function _underlyingPriceToSAvaxPrice(uint256 _underlyingPrice) private view returns (uint256) {
-        // Passing 1e18 to getPooledAvaxByShares() gives us the sAVAX price per AVAX
+        // Passing 1e18 to getPooledAvaxByShares() gives us the number of AVAX per sAVAX.
         uint256 sAvaxPerAvax = sAVAX.getPooledAvaxByShares(1e18);
         return sAvaxPerAvax.mul(_underlyingPrice).div(1e18);
     }

scripts/deploySAvaxPricer.js

@@ -0,0 +1,33 @@
+const yargs = require('yargs')
+
+const SAvaxPricer = artifacts.require('SAvaxPricer.sol')
+
+module.exports = async function (callback) {
+  try {
+    const options = yargs
+      .usage(
+        'Usage: --network <network> --sAvax <sAvax> --underlying <underlying> --oracle <oracle> --gasPrice <gasPrice> --gasLimit <gasLimit>',
+      )
+      .option('network', { describe: 'Network name', type: 'string', demandOption: true })
+      .option('sAvax', { describe: 'sAvax address', type: 'string', demandOption: true })
+      .option('underlying', { describe: 'Underlying address', type: 'string', demandOption: true })
+      .option('oracle', { describe: 'Oracle module address', type: 'string', demandOption: true })
+      .option('gasPrice', { describe: 'Gas price in WEI', type: 'string', demandOption: false })
+      .option('gasLimit', { describe: 'Gas Limit in WEI', type: 'string', demandOption: false }).argv
+
+    console.log(`Deploying sAvax pricer contract to ${options.network} 🍕`)
+
+    const tx = await SAvaxPricer.new(options.sAvax, options.underlying, options.oracle, {
+      gasPrice: options.gasPrice,
+      gas: options.gasLimit,
+    })
+
+    console.log('sAvax pricer deployed! 🎉')
+    console.log(`Transaction hash: ${tx.transactionHash}`)
+    console.log(`Deployed contract address: ${tx.address}`)
+
+    callback()
+  } catch (err) {
+    callback(err)
+  }
+}